—Listen! There is a knock on the door．Who _____ it be?—It must be Jack．Just now I sent for him．
#87583
A
shall
B
can
C
must
D
might
推荐题目
We would have called a taxi yesterday if Harold __________us a ride home.
#87413
A
didn’t offer
B
wouldn’t offer
C
hasn’t offered
D
hadn’t offered
—What will you do next Sunday? —Maybe do some shopping, for I ______go to school on Sunday．
#87920
A
mustn’t
B
shouldn’t
C
don’t have to
D
had better not
If it hadn’t rained so hard last night，it_______ so cold today.
#86461
A
would’t be
B
hadn’t been
C
weren’t
D
wouldn’t have been
—You___________ stop me. —Even if you __________it, I won't allow you to swim across the river.
#89419
A
mustn’t; dare not do
B
may; dare not do
C
can; dare to do
D
needn't; dare do